Home / 55,409.10-76,442.85-34,151.46

Finding the Fourth Proportional to 55,409.10, 76,442.85 and 34,151.46

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Solution

The fourth proportional to 55,409.10, 76,442.85 and 34,151.46 is: 47,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,409.10 : 76,442.85 = 34,151.46 : x
  2. Step 2: Convert to fraction form
    55,409.10/76,442.85 = 34,151.46/x
  3. Step 3: Cross multiply
    55,409.10x = 76,442.85 × 34,151.46
  4. Step 4: Simplify right side
    55,409.10x = 2,610,634,934.06
  5. Step 5: Solve for x
    x = 2,610,634,934.06/55,409.10
  6. Step 6: Final answer
    x = 47,115.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.